All types of numericals. Also contains link of pdf and question bank for pump subject. Do not leave any questions.
question bank-- https://drive.google.com/file/d/0B2pDrEiUEushdlJMeE13M21MeTA/view?usp=drivesdk
First 3 unit notes https://drive.google.com/file/d/0B2pDrEiUEushblpHaURfRFlvbVk/view?usp=drivesdk